From: avg <avg@FreeBSD.org>
Date: Mon, 2 Nov 2015 10:07:21 +0000 (+0000)
Subject: zfs: allow the lookup of extended attributes of an unlinked file
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=de9b219b0a549aeb1e2f48effef11266eb44c8ba;p=people%2Fjulieng%2Ffreebsd.git

zfs: allow the lookup of extended attributes of an unlinked file

That's required for extattr_get_fd(2) and the like to work properly.

PR:		203201
MFC after:	17 days
---

diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_dir.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_dir.c
index e2a3bff64577..cf42ff6c7cb3 100644
--- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_dir.c
+++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_dir.c
@@ -222,7 +222,7 @@ zfs_dirent_lock(zfs_dirlock_t **dlpp, znode_t *dzp, char *name, znode_t **zpp,
 
 	mutex_enter(&dzp->z_lock);
 	for (;;) {
-		if (dzp->z_unlinked) {
+		if (dzp->z_unlinked && !(flag & ZXATTR)) {
 			mutex_exit(&dzp->z_lock);
 			if (!(flag & ZHAVELOCK))
 				rw_exit(&dzp->z_name_lock);